The 2-Minute Rule for the price of blown insulation
Corporations typically use "Rockwool" and "mineral wool" interchangeably. Rockwool can be a brand of mineral or stone wool made from basalt and recycled steel slag, melted and spun into fibers resembling sheep's wool.Foam: Foam insulation arrives as both open up cell or closed cell. The distinction between the two is always that an open cell usuall